<?php
include_once "common.php";
$a=[111,3.5,100=>'hello',true];
var_dump($a);
$a=['name'=>'张三','age'=>18,'sex'=>'男'];
print_r($a);
$a=['24jsj1','name'=>'张三',0=>'24jsj2','name'=>'张三丰',];
print_r($a);

$array = array(
    1 => 'a',
    '1' => 'b',
    1.5 => 'c',
    -1 => 'd',
    '0.1' => 'e',
    '1.5' => 'f',
    true => 'g',
    false => 'h',
    '' => 'i',
    null => 'j',
    'k',
    2 => '1',
);
p($array);


//数组遍历显示
$a=[111,222,333,"heelo",true];
for($i=0,$len=count($a);$i<$len;++$i){
    echo $i, ".",$a[$i], "/n";
}
echo "----------------------\n";
$a=[111,222,10=>333,"hello",true];
foreach($a as $v){
    echo $v,"\n";
}
echo "----------------------\n";
$a=[111,'name'=>'zhangsan',345,'age'=>18];
foreach($a as $key=>$value){
    echo $key,'--->',$value,"\n";
}